Prospective Application of Aptamer-based Assays and Therapeutics in Bloodstream Infections

Weibin       Li
Abstract

Sepsis is still a severe health problem worldwide with high morbidity and mortality. Blood bacterial culture remains the gold standard for the detection of pathogenic bacteria in bloodstream infections, but it is time-consuming, and both the sophisticated equipment and well-trained personnel are required. Immunoassays and genetic diagnosis are expensive and limited to specificity and sensitivity. Aptamers are single-stranded deoxyribonucleic acid (ssDNA) and ribonucleic acid (RNA) oligonucleotide or peptide sequence generated in vitro based on the binding affinity of aptamer-target by a process known as Systematic Evolution of Ligands by Exponential Enrichment (SELEX). By taking several advantages over monoclonal antibodies and other conventional small-molecule therapeutics, such as high specificity and affinity, negligible batch-to-batch variation, flexible modification and production, thermal stability, low immunogenicity and lack of toxicity, aptamers are presently becoming promising novel diagnostic and therapeutic agents. This review describes the prospective application of aptamerbased laboratory diagnostic assays and therapeutics for pathogenic bacteria and toxins in bloodstream infections.
Keywords: Aptamer, Systematic Evolution of Ligands by Exponential Enrichment (SELEX), pathogenic bacteria, bloodstream infections, in vitro, immunoassays.
Graphical Abstract

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Cite As
Mini-Reviews in Medicinal Chemistry

Prospective Application of Aptamer-based Assays and Therapeutics in Bloodstream Infections

Abstract

Graphical Abstract
